# Table 7b: Bootstrap Confidence Bands on the Coefficient Path

CA/GDP. 500 cluster-bootstrap draws at each step. Countries added richest to poorest.

| Top N | Countries | Z₁ | 95% CI | p | Sign change? |
|---:|---:|---:|:---|---:|:---|
| 20 | 20 | 46.31 | [-15.7, 152.7] | 0.0903 | YES |
| 40 | 40 | 36.84* | [-6.0, 85.2] | 0.0165 | YES |
| 60 | 60 | 41.65* | [-15.7, 101.2] | 0.0139 | YES |
| 80 | 80 | 33.97* | [-26.4, 90.5] | 0.0290 | YES |
| 100 | 100 | 37.78** | [-12.7, 92.9] | 0.0092 | YES |
| 120 | 120 | 5.44 | [-39.9, 57.5] | 0.7053 | YES |
| 140 | 140 | 12.82 | [-30.3, 59.9] | 0.3277 | YES |
| 160 | 160 | 4.23 | [-33.8, 44.5] | 0.7282 | YES |